If you don't have a regional domain then you must prefer buying like, for united kingdom choose .co.uk's domain and to target audience in United Arab Emirates must prefer buying .ae domains but if you already have a domain for example .com and you want to focus on some specific region and language then proceed reading this article below.

There are some important things that you must consider when determining the international target audience for your website and language preference of your website. This will help you to reach targeted audience regionally or globally. Once you do all of these steps you would find better keywords rankings, increased impressions to your website.

All you need is to make some changes to your website code and your Google's search console account. I am going to define the steps below.

Step 1:

HTML's Language Declaration:

Declare the language used on your page in HTML Tag. To do this, go to your page's source code and check the html tag at the top. <html> and find this line lang="en-US" within tag. If not then you have to define in your code the lang attribute where set the language and region preference. for ex:
"en-USen is the English and US is the Region

To find complete list of languages click here and regions click here.

Step 2:

Notify through Google's Search Console

Login to your google's search console account and click on Search Traffic at the right side of the page and choose International Targeting.

If your site shows 'Your site has no hreflang tags' then follow the Step 1: after resolving this wait sometime to get this message removed.

Now Click on Country tab and set the desired country.

For further assistance you can read this International Targeting article, click here.

Also you can leave your comment, I am ready to help you :)