From this period the urban layout was created in the form of the market square and the late Gothic church of the parish.

Serock was a royal town of the Polish Crown, administratively located in the Masovian Voivodeship in the Greater Poland Province.

After the unsuccessful Polish January Uprising, Serock was deprived of town rights by the Russian administration in 1870, and entered a period of stagnation.

[1] During World War I it was occupied by Germany, and in 1918 local Poles disarmed the Germans,[1] and Serock was reintegrated with Poland, which just regained independence.

In September 1939, Serock was a place of fighting between the Poles and the invading Germans during the Invasion of Poland, which started World War II.

On September 5, 1939, around 50–70 people, both inhabitants of Serock and refugees from nearby Nasielsk, were killed in a German air raid.

In autumn of 1939 the Germans carried out massacres of around 150 Poles from Serock in the nearby forest as part of the Intelligenzaktion.

In the summer of 2000, a visiting descendant of former residents discovered that a number of gravestones (matzevot) were piled up in the city park.

[9] In 1963 the Zegrze Reservoir was formed, and Serock developed as a popular vacation destination for inhabitants of nearby Warsaw.

The settlement was located on two trade and communication routes: During the tests conducted in 1961 by Prof. Dr. Zdzisław Rajewski, pieces of pottery, pugging (flooring) and parts of animal bones were found.

Excavations carried out from 1962 to 1966 by Barbara Zawadzka-Antosik showed three stages of the early settlement and human functioning in these areas in the 14th and 17th centuries.

Approximately 200 archaeological sites were excavated consisting of, among others, fragments of pottery, animal bones and the remains of fish.

They showed that the people mainly engaged in agriculture (cultivated wheat, rye, peas), fishing, weaving and craft work.

The brick, one-nave church of the Annunciation of the Blessed Virgin Mary (Kościół Zwiastowania Najświętszej Maryi Panny) – formerly St. Adalbert's (św.

The church has a floor positioned below the level of the environment, a simple closed chancel, two symmetrically placed vestries, a three-bay nave, and a tower.

There is a picture showing Stanislas Witold Bienias’ Battle of Warsaw in 1920 as well as original baroque items such as: In 1961, the church was entered in the Polish register of monuments.