Zruč-Senec is a municipality in Plzeň-North District in the Plzeň Region of the Czech Republic. It has about 3,500 inhabitants.

The municipality is made up of the villages of Zruč and Senec. These two villages are urbanistically fused.

Zruč-Senec is located about 5 kilometres (3 mi) north of Plzeň. It lies in the Plasy Uplands. The highest point is at 394 m (1,293 ft) above sea level. The Berounka River forms the southern municipal border. The Drahotínský Pond is located east of Zruč.

The first written mention of Zruč is from 1252, the first written mention of Senec is from 1295. Between 1517 and 1850, both villages were in the property of Plzeň.

Between 1869 and 1930, Senec and Zruč were two separate municipalities. In 1950–1991, Senec was an administrative part of Zruč municipality. In 1991, the municipality was renamed Zruč-Senec.

Historical population

Year Pop. ±% 1869 503 —     1880 667 +32.6% 1890 849 +27.3% 1900 1,060 +24.9% 1910 1,116 +5.3%	Year Pop. ±% 1921 1,090 −2.3% 1930 1,403 +28.7% 1950 1,638 +16.7% 1961 1,903 +16.2% 1970 1,991 +4.6%	Year Pop. ±% 1980 2,105 +5.7% 1991 2,113 +0.4% 2001 2,363 +11.8% 2011 2,999 +26.9% 2021 3,451 +15.1%
Source: Censuses

There are no railways or major roads passing through the municipality.

There are no significant landmarks in the municipality. Among the protected cultural monuments are two small chapels (one in each village) and a calvary in Zruč.

Zruč-Senec is known for the Air Park Zruč, which is a private collection of aircraft and military equipment. Exhibits are freely accessible to visitors.

• Official website