diff --git a/app/routes/badges/$id.tsx b/app/routes/badges/$id.tsx
index 6d22f0ae3..fdbab8e51 100644
--- a/app/routes/badges/$id.tsx
+++ b/app/routes/badges/$id.tsx
@@ -6,16 +6,17 @@ import { Badge } from "~/components/Badge";
 import { LinkButton } from "~/components/Button";
 import { Redirect } from "~/components/Redirect";
 import { db } from "~/db";
-import type {
-  ManagersByBadgeId,
-  OwnersByBadgeId,
+import {
+  type ManagersByBadgeId,
+  type OwnersByBadgeId,
 } from "~/db/models/badges.server";
-import type { Badge as BadgeDBType } from "~/db/types";
+import { type Badge as BadgeDBType } from "~/db/types";
 import { useUser } from "~/modules/auth";
 import { canEditBadgeOwners } from "~/permissions";
 import { discordFullName } from "~/utils/strings";
 import { BADGES_PAGE } from "~/utils/urls";
-import type { BadgesLoaderData } from "../badges";
+import { type BadgesLoaderData } from "../badges";
+import { useTranslation, type TFunction } from "react-i18next";
 
 export interface BadgeDetailsContext {
   badgeName: string;
@@ -44,6 +45,7 @@ export default function BadgeDetailsPage() {
   const { badges } = parentRoute!.data as BadgesLoaderData;
   const params = useParams();
   const data = useLoaderData<BadgeDetailsLoaderData>();
+  const { t } = useTranslation("badges");
 
   const badge = badges.find((b) => b.id === Number(params["id"]));
   if (!badge) return <Redirect to={BADGES_PAGE} />;
@@ -55,7 +57,9 @@ export default function BadgeDetailsPage() {
       <Outlet context={context} />
       <Badge badge={badge} isAnimated size={200} />
       <div>
-        <div className="badges__explanation">{badgeExplanationText(badge)}</div>
+        <div className="badges__explanation">
+          {badgeExplanationText(t, badge)}
+        </div>
         <div
           className={clsx("badges__managers", {
             invisible: data.managers.length === 0,
@@ -90,14 +94,13 @@ export default function BadgeDetailsPage() {
 }
 
 export function badgeExplanationText(
+  t: TFunction<"badges", undefined>,
   badge: Pick<BadgeDBType, "displayName" | "code"> & { count?: number }
 ) {
-  if (badge.code === "patreon") return "Supporter of sendou.ink on Patreon";
+  if (badge.code === "patreon") return t("patreon");
   if (badge.code === "patreon_plus") {
-    return "Supporter+ of sendou.ink on Patreon";
+    return t("patreon+");
   }
 
-  const countString =
-    badge.count && badge.count > 1 ? ` (x${badge.count})` : "";
-  return `Awarded for winning ${badge.displayName}${countString}`;
+  return t("tournament", { count: badge.count, tournament: badge.displayName });
 }
diff --git a/app/routes/u.$identifier.tsx b/app/routes/u.$identifier.tsx
index 9ab0274e5..b98b67ef1 100644
--- a/app/routes/u.$identifier.tsx
+++ b/app/routes/u.$identifier.tsx
@@ -2,6 +2,7 @@ import type { LoaderFunction, MetaFunction } from "@remix-run/node";
 import { json } from "@remix-run/node";
 import { Outlet, useLoaderData } from "@remix-run/react";
 import { countries } from "countries-list";
+import { useTranslation } from "react-i18next";
 import { z } from "zod";
 import { Main } from "~/components/Main";
 import { SubNav, SubNavLink } from "~/components/SubNav";
@@ -9,6 +10,8 @@ import { db } from "~/db";
 import type { CountsByUserId } from "~/db/models/badges.server";
 import type { User } from "~/db/types";
 import { useUser } from "~/modules/auth";
+import { i18next } from "~/modules/i18n";
+import { translatedCountry } from "~/utils/i18n.server";
 import { notFoundIfFalsy } from "~/utils/remix";
 import { makeTitle } from "~/utils/strings";
 import { discordFullName } from "~/utils/strings";
@@ -19,6 +22,10 @@ export const meta: MetaFunction = ({ data }: { data: UserPageLoaderData }) => {
   };
 };
 
+export const handle = {
+  i18n: "user",
+};
+
 export const userParamsSchema = z.object({ identifier: z.string() });
 
 export type UserPageLoaderData = Pick<
@@ -33,11 +40,12 @@ export type UserPageLoaderData = Pick<
   | "twitter"
   | "bio"
 > & {
-  country?: { name: string; emoji: string; code: string };
+  country?: { emoji: string; code: string; name: string };
   badges: CountsByUserId;
 };
 
-export const loader: LoaderFunction = ({ params }) => {
+export const loader: LoaderFunction = async ({ request, params }) => {
+  const locale = await i18next.getLocale(request);
   const { identifier } = userParamsSchema.parse(params);
   const user = notFoundIfFalsy(db.users.findByIdentifier(identifier));
 
@@ -58,9 +66,13 @@ export const loader: LoaderFunction = ({ params }) => {
     country:
       countryObj && user.country
         ? {
-            name: countryObj.name,
             emoji: countryObj.emoji,
             code: user.country,
+            name:
+              translatedCountry({
+                language: locale,
+                countryCode: user.country,
+              }) ?? countryObj.name,
           }
         : undefined,
     badges: db.badges.countsByUserId(user.id),
@@ -70,6 +82,7 @@ export const loader: LoaderFunction = ({ params }) => {
 export default function UserPageLayout() {
   const data = useLoaderData<UserPageLoaderData>();
   const user = useUser();
+  const { t } = useTranslation();
 
   const isOwnPage = data.id === user?.id;
 
@@ -77,11 +90,11 @@ export default function UserPageLayout() {
     <>
       <SubNav>
         <SubNavLink to="" data-cy="profile-page-link">
-          Profile
+          {t("header.profile")}
         </SubNavLink>
         {isOwnPage ? (
           <SubNavLink to="edit" data-cy="edit-page-link">
-            Edit
+            {t("actions.edit")}
           </SubNavLink>
         ) : null}
       </SubNav>
diff --git a/app/routes/u.$identifier/edit.tsx b/app/routes/u.$identifier/edit.tsx
index 723b44d6f..d02a4fcea 100644
--- a/app/routes/u.$identifier/edit.tsx
+++ b/app/routes/u.$identifier/edit.tsx
@@ -1,19 +1,31 @@
-import type { ActionFunction, LinksFunction } from "@remix-run/node";
-import { Form, useMatches, useTransition } from "@remix-run/react";
+import {
+  type ActionFunction,
+  type LinksFunction,
+  type LoaderArgs,
+} from "@remix-run/node";
+import {
+  Form,
+  useLoaderData,
+  useMatches,
+  useTransition,
+} from "@remix-run/react";
 import { countries } from "countries-list";
 import * as React from "react";
+import { useTranslation } from "react-i18next";
 import invariant from "tiny-invariant";
 import { z } from "zod";
 import { Button } from "~/components/Button";
 import { Label } from "~/components/Label";
 import { USER_BIO_MAX_LENGTH } from "~/constants";
 import { db } from "~/db";
-import type { User } from "~/db/types";
+import { type User } from "~/db/types";
 import { requireUser } from "~/modules/auth";
+import { i18next } from "~/modules/i18n";
 import styles from "~/styles/u-edit.css";
+import { translatedCountry } from "~/utils/i18n.server";
 import { parseRequestFormData } from "~/utils/remix";
 import { falsyToNull } from "~/utils/zod";
-import type { UserPageLoaderData } from "../u.$identifier";
+import { type UserPageLoaderData } from "../u.$identifier";
 
 export const links: LinksFunction = () => {
   return [{ rel: "stylesheet", href: styles }];
@@ -47,45 +59,66 @@ export const action: ActionFunction = async ({ request }) => {
   return null;
 };
 
+export const loader = async ({ request }: LoaderArgs) => {
+  const locale = await i18next.getLocale(request);
+
+  return {
+    countries: Object.entries(countries)
+      .map(([code, country]) => ({
+        code,
+        emoji: country.emoji,
+        name:
+          translatedCountry({
+            countryCode: code,
+            language: locale,
+          }) ?? country.name,
+      }))
+      .sort((a, b) => a.name.localeCompare(b.name)),
+  };
+};
+
 export default function UserEditPage() {
+  const data = useLoaderData<typeof loader>();
+  const { t } = useTranslation(["common", "user"]);
   const [, parentRoute] = useMatches();
   invariant(parentRoute);
-  const data = parentRoute.data as UserPageLoaderData;
+  const parentRouteData = parentRoute.data as UserPageLoaderData;
   const transition = useTransition();
 
   return (
     <Form className="u-edit__container" method="post">
       <div>
-        <label htmlFor="country">Country</label>
+        <label htmlFor="country">{t("user:country")}</label>
         <select
           className="u-edit__country-select"
           name="country"
           id="country"
-          defaultValue={data.country?.code ?? ""}
+          defaultValue={parentRouteData.country?.code ?? ""}
           data-cy="country-select"
         >
           <option value="" />
-          {Object.entries(countries).map(([code, country]) => (
-            <option key={code} value={code}>
+          {data.countries.map((country) => (
+            <option key={country.code} value={country.code}>
               {`${country.name} ${country.emoji}`}
             </option>
           ))}
         </select>
       </div>
-      <BioTextarea initialValue={data.bio} />
+      <BioTextarea initialValue={parentRouteData.bio} />
       <Button
-        loadingText="Saving..."
+        loadingText={t("common:actions.saving")}
         type="submit"
         loading={transition.state === "submitting"}
         data-cy="submit-button"
       >
-        Save
+        {t("common:actions.save")}
       </Button>
     </Form>
   );
 }
 
 function BioTextarea({ initialValue }: { initialValue: User["bio"] }) {
+  const { t } = useTranslation("user");
   const [value, setValue] = React.useState(initialValue ?? "");
 
   return (
@@ -94,7 +127,7 @@ function BioTextarea({ initialValue }: { initialValue: User["bio"] }) {
         htmlFor="bio"
         valueLimits={{ current: value.length, max: USER_BIO_MAX_LENGTH }}
       >
-        Bio
+        {t("bio")}
       </Label>
       <textarea
         id="bio"
diff --git a/app/routes/u.$identifier/index.tsx b/app/routes/u.$identifier/index.tsx
index c8746c568..b2f64ed63 100644
--- a/app/routes/u.$identifier/index.tsx
+++ b/app/routes/u.$identifier/index.tsx
@@ -13,11 +13,16 @@ import { TwitterIcon } from "~/components/icons/Twitter";
 import { YouTubeIcon } from "~/components/icons/YouTube";
 import { badgeExplanationText } from "../badges/$id";
 import { Badge } from "~/components/Badge";
+import { useTranslation } from "react-i18next";
 
 export const links: LinksFunction = () => {
   return [{ rel: "stylesheet", href: styles }];
 };
 
+export const handle = {
+  i18n: "badges",
+};
+
 export default function UserInfoPage() {
   const [, parentRoute] = useMatches();
   invariant(parentRoute);
@@ -113,6 +118,7 @@ function SocialLinkIcon({ type }: Pick<SocialLinkProps, "type">) {
 }
 
 function BadgeContainer(props: { badges: UserPageLoaderData["badges"] }) {
+  const { t } = useTranslation("badges");
   const [badges, setBadges] = React.useState(props.badges);
 
   // keep badges in sync when route changes from one user profile to another
@@ -165,7 +171,7 @@ function BadgeContainer(props: { badges: UserPageLoaderData["badges"] }) {
         ) : null}
       </div>
       <div className="u__badge-explanation" data-cy="badge-explanation">
-        {badgeExplanationText(bigBadge)}
+        {badgeExplanationText(t, bigBadge)}
       </div>
     </div>
   );
diff --git a/app/utils/i18n.server.ts b/app/utils/i18n.server.ts
new file mode 100644
index 000000000..cc0f87ff5
--- /dev/null
+++ b/app/utils/i18n.server.ts
@@ -0,0 +1,12 @@
+// .server because these are dangerous to use on client due to hydration mismatches
+// (Node.js and browser can display different language depending on implementation)
+
+export function translatedCountry({
+  language,
+  countryCode,
+}: {
+  language: string;
+  countryCode: string;
+}) {
+  return new Intl.DisplayNames([language], { type: "region" }).of(countryCode);
+}
diff --git a/public/locales/en/badges.json b/public/locales/en/badges.json
new file mode 100644
index 000000000..b56d476cb
--- /dev/null
+++ b/public/locales/en/badges.json
@@ -0,0 +1,6 @@
+{
+  "patreon": "Supporter of sendou.ink on Patreon",
+  "patreon+": "Supporter+ of sendou.ink on Patreon",
+  "tournament_one": "Awarded for winning {{tournament}}",
+  "tournament_other": "Awarded for winning {{tournament}} (×{{count}})"
+}
diff --git a/public/locales/en/common.json b/public/locales/en/common.json
index a96f910e2..d7266a8c2 100644
--- a/public/locales/en/common.json
+++ b/public/locales/en/common.json
@@ -13,5 +13,9 @@
   "footer.twitter.subtitle": "Updates",
   "footer.discord.subtitle": "Help & feedback",
   "footer.patreon.subtitle": "Support",
-  "footer.thanks": "Thanks to the patrons for the support"
+  "footer.thanks": "Thanks to the patrons for the support",
+
+  "actions.save": "Save",
+  "actions.saving": "Saving...",
+  "actions.edit": "Edit"
 }
diff --git a/public/locales/en/user.json b/public/locales/en/user.json
new file mode 100644
index 000000000..fe45d5000
--- /dev/null
+++ b/public/locales/en/user.json
@@ -0,0 +1,4 @@
+{
+  "country": "Country",
+  "bio": "Bio"
+}
diff --git a/types/react-i18next.d.ts b/types/react-i18next.d.ts
index b64216a77..36a9f599f 100644
--- a/types/react-i18next.d.ts
+++ b/types/react-i18next.d.ts
@@ -3,6 +3,8 @@ import "react-i18next";
 import type common from "../public/locales/en/common.json";
 import type faq from "../public/locales/en/faq.json";
 import type contributions from "../public/locales/en/contributions.json";
+import type user from "../public/locales/en/user.json";
+import type badges from "../public/locales/en/badges.json";
 
 declare module "react-i18next" {
   interface CustomTypeOptions {
@@ -11,6 +13,8 @@ declare module "react-i18next" {
       common: typeof common;
       faq: typeof faq;
       contributions: typeof contributions;
+      user: typeof user;
+      badges: typeof badges;
     };
   }
 }