mc5 - The Obligatory Limericks Game

Its Ottoman roots

penelope

Are as rank as old boots

Projoy

Though its branches are looking quite perky

irach

There once was a lad in Istanbul

penelop!e

[irach] Give us a chance! Can't you call it Constantinople just this once?

(pen) Hear, hear. Doesn't scan, either.

I suggest amending it to:
There once was a lad in Stamboul