Strange city boundary

Hi,

my “job” is fixing invalid boundaries but i can’t fix this one:

https://www.openstreetmap.org/relation/6557506

this can’t be true. can anyone help me?

regards
walter

Hello! What is the problem?

By the way it’s not a city boundary. In Iran we have an admin level which has same value with admin level of cities. It’s called DAHESTAN دهستان