Java tutorial
//package com.java2s; import android.content.Context; import android.os.Build; import java.util.Locale; public class Main { public static String getRegionCode(Context context) { Locale locale; if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) { locale = context.getResources().getConfiguration().getLocales().get(0); } else { locale = context.getResources().getConfiguration().locale; } return locale.getCountry(); } }