diff --git a/package.json b/package.json
index 129342b..0e1351a 100644
--- a/package.json
+++ b/package.json
@@ -45,6 +45,7 @@
     "@types/unist": "^2.0.6",
     "@webdoky/yari-ports": "^3.5.0",
     "acorn-import-assertions": "^1.8.0",
+    "classnames": "~2.3.2",
     "cyrillic-to-translit-js": "^3.2.1",
     "github-slugger": "^1.4.0",
     "gray-matter": "^4.0.3",
diff --git a/src/registry/utils/is-url-ukrainian.ts b/src/registry/utils/is-url-ukrainian.ts
new file mode 100644
index 0000000..353c937
--- /dev/null
+++ b/src/registry/utils/is-url-ukrainian.ts
@@ -0,0 +1,9 @@
+const UKRAINIAN_URL_REGEXPS = [
+  /^https?:\/\/uk\.javascript\.info/,
+  /^https?:\/\/uk\.wikipedia\.org/,
+  /^https?:\/\/\w+\.google\.com\/.+\?hl=uk/,
+];
+
+export default function isUrlUkrainian(url: string): boolean {
+  return UKRAINIAN_URL_REGEXPS.some((regexp) => regexp.test(url));
+}
diff --git a/src/registry/utils/plugins/external-links.ts b/src/registry/utils/plugins/external-links.ts
index 4b564a1..caa2f2e 100644
--- a/src/registry/utils/plugins/external-links.ts
+++ b/src/registry/utils/plugins/external-links.ts
@@ -1,8 +1,11 @@
+import classNames from 'classnames';
 import { visit } from 'unist-util-visit';
 import { parse } from 'space-separated-tokens';
 import isAbsoluteUrl from 'is-absolute-url';
 import { extend } from 'lodash-es';
 
+import isUrlUkrainian from '../is-url-ukrainian';
+
 const defaultTarget = '_blank';
 const defaultRel = ['nofollow', 'noopener', 'noreferrer'];
 const defaultProtocols = ['http', 'https'];
@@ -47,12 +50,16 @@ const externalLinks = (options: Options = {}) => {
             node.properties.target = target || defaultTarget;
           }
 
-          if (className) {
-            node.properties.className =
-              (node.properties.className
-                ? `${node.properties.className} `
-                : '') + className;
-          }
+          const isUkrainian = isUrlUkrainian(url);
+
+          node.properties.className = classNames(
+            node.properties.className,
+            className,
+            {
+              'wd-link__foreign': !isUkrainian,
+              'wd-link__ukrainian': isUkrainian,
+            },
+          );
 
           if (rel !== false) {
             node.properties.rel = (rel || defaultRel).toString().concat();
diff --git a/yarn.lock b/yarn.lock
index 42dc9be..2532153 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1981,6 +1981,11 @@ cidr-regex@^3.1.1:
   dependencies:
     ip-regex "^4.1.0"
 
+classnames@~2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.3.2.tgz#351d813bf0137fcc6a76a16b88208d2560a0d924"
+  integrity sha512-CSbhY4cFEJRe6/GQzIk5qXZ4Jeg5pcsP7b5peFSDpffpe1cqjASH/n9UTjBwOp6XpMSTwQ8Za2K5V02ueA7Tmw==
+
 clean-stack@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/clean-stack/-/clean-stack-2.2.0.tgz#ee8472dbb129e727b31e8a10a427dee9dfe4008b"