Minute Cryptic

Our definition here is 'City', and our answer will be a well-known city.

This clue's indicators are 'block shared by', 'beyond', and 'Middle'. 'Middle' is a common selector highlighting a letter in some neighbouring fodder by naming its position. 'block shared by' is also a selector, but far less common. It's aiming to point out a collection or block of letters that are common to multiple pieces of fodder. 'beyond' is a simple repositioning indicator, showing us how to position one chunk of fodder relative to another.

This clue's fodder is 'women and gnomes' and 'Earth'. We'll use these letters (or some of them) to construct our answer, as guided by the clue's indicator(s).