sdk-for-android/docs/examples/java/locale/list-countries-eu.md

import io.appwrite.Client;
import io.appwrite.coroutines.CoroutineCallback;
import io.appwrite.services.Locale;

Client client = new Client(context)
    .setEndpoint("https://<REGION>.cloud.appwrite.io/v1") // Your API Endpoint
    .setProject("<YOUR_PROJECT_ID>"); // Your project ID

Locale locale = new Locale(client);

locale.listCountriesEU(new CoroutineCallback<>((result, error) -> {
    if (error != null) {
        error.printStackTrace();
        return;
    }

    Log.d("Appwrite", result.toString());
}));