Which city of Pakistan is laid out on the shape of British flag?

Which city of Pakistan is laid out on the shape of British flag?

پاکستان کا کون سا شہر برطانوی پرچم کی شکل میں بنا ہوا ہے؟
Explanation

The Faisalabad Clock Tower is famous all over the world and is one of the oldest monuments.

It was constructed in a special way by placing the clock at the center of the eight markets which, from the top it looks like the Union Jack of the United Kingdom's flag.

Faisalabad - History Pak