The byzantine capital of constantinople had its name changed to what after it fell to the ottomans.

   Istanbul

Explanation:  After the fall of the Byzantine capital of Constantinople on May 29, 1453 and the capture by the Ottoman army, the city was named after Istanbul. The word comes from the Greek word Stimboli which means "in the city". Istanbul is a city located on two continents, Europe and Asia, and is one of the cities in today's Turkey but not the capital city. More precisely, Istanbul is located on Bosphorus, which connects the Black Sea and the Sea of ​​Marmara, and Bosphorus separates Istanbul into the European and Asian parts.

its a map of something

1. where does the energy of a nuclear power plant come from?

d) political bosses should not hold office