Ciechanów

Ciechanów
Ciechanów Castle
Ciechanów
Coordinates: 52°52′N 20°38′E / 52.867°N 20.633°E / 52.867; 20.633
Country Poland
VoivodeshipMasovian
CountyCiechanów
GminaCiechanów (urban gmina)
First mentioned1065
City rights1400
Government
  City mayorKrzysztof Kosiński (PSL)
Area
  Total
32.51 km2 (12.55 sq mi)
Highest elevation
151 m (495 ft)
Lowest elevation
116 m (381 ft)
Population
 (31 December 2021)
  Total
43,495
  Density1,300/km2 (3,500/sq mi)
Time zoneUTC+1 (CET)
  Summer (DST)UTC+2 (CEST)
Postal code
06-400 to 06-413
Area code+48 023
Car platesWCI
National roads
Voivodeship roads
Websitewww.umciechanow.pl

Ciechanów [t͡ɕeˈxanuf] is a city in north-central Poland, seat of the Ciechanów County in the Masovian Voivodeship. As of December 2021, it has a population of 43,495.

A city with almost a thousand years of history, recorded in 1065, Ciechanów is one of the oldest and largest cities of northern Mazovia, particularly known for its medieval castle, brewery, founded in the 18th century, and the science park with the unique hyperboloid water tower. The city has experienced several foreign invasions and was the site of the publication of Poland's pioneering honey harvesting law in 1559. From 1975 to 1998, it was the capital of the Ciechanów Voivodeship.