Nicolae Caradja also known as Nicolae Vodă Caragea, was a Phanariote

Phanariotes

Phanariots, Phanariotes, or Phanariote Greeks were members of those prominent Greek families residing in Phanar , the chief Greek quarter of Constantinople, where the Ecumenical Patriarchate is situated.For all their cosmopolitanism and often Western education, the Phanariots were...

 Prince of Wallachia

Wallachia

Wallachia or Walachia is a historical and geographical region of Romania. It is situated north of the Danube and south of the Southern Carpathians...

, who reigned between 15 January 1782 and 17 July 1783. Previously, he was the great Dragoman

Dragoman

A dragoman was an interpreter, translator and official guide between Turkish, Arabic, and Persian-speaking countries and polities of the Middle East and European embassies, consulates, vice-consulates and trading posts...

 of the Ottoman Empire

Ottoman Empire

The Ottoman EmpireIt was usually referred to as the "Ottoman Empire", the "Turkish Empire", the "Ottoman Caliphate" or more commonly "Turkey" by its contemporaries...

 in Constantinople

Constantinople

Constantinople was the capital of the Roman, Eastern Roman, Byzantine, Latin, and Ottoman Empires. Throughout most of the Middle Ages, Constantinople was Europe's largest and wealthiest city.-Names:...

(1769–1774).

Under his reign, police provisions taken concerned public hygiene, chimney sweeping, and the control of coffeehouses, inns, and ways. Unauthorized carrying of uniforms and weapons was prohibited, in order to avoid mutiny by those opposed to his taxation policy. Passports were introduced during his reign. both to control the entry of foreigners and the exit of the discontented.