The Archiwum narodowy w Krakowie / The National Archives in Krakow, together with its branches outside the city, is one of the main archives in Poland. It is located in the second largest and one of the oldest Polish cities; in the Middle Ages it also used to be the Polish capital. The Archiwum narodowy w Krakowie / The National Archives in Krakow supervises the handling of documents in nearly seven hundred institutions active in all spheres of social life: from the offices of public administration through to cultural, scholarly, educational and legal institutions, firms, state and local government organisational units, environmental institutions, health care and social service institutions.