Kårsta church was built in the 1400s but replaced an older church built of wood. The sacristy is the oldest part and was built during the 1200s. In the Western church gable is a runestone walled 'Alrik erected the stone and make the bridge'.
The church is wrapped tightly around Kårsta village's well preserved buildings. In addition to residential buildings there are two school buildings, one from 1848 and one from 1915. It was torn wide school until 1982 when the school operations moved to a newly built school in Kårsta.
The whole village around Kårsta church is the county museum has been singled out as inseparable from the cultural environment.
References:The Church of St Donatus name refers to Donatus of Zadar, who began construction on this church in the 9th century and ended it on the northeastern part of the Roman forum. It is the largest Pre-Romanesque building in Croatia.
The beginning of the building of the church was placed to the second half of the 8th century, and it is supposed to have been completed in the 9th century. The Zadar bishop and diplomat Donat (8th and 9th centuries) is credited with the building of the church. He led the representations of the Dalmatian cities to Constantinople and Charles the Great, which is why this church bears slight resemblance to Charlemagne's court chapels, especially the one in Aachen, and also to the Basilica of San Vitale in Ravenna. It belongs to the Pre-Romanesque architectural period.
The circular church, formerly domed, is 27 m high and is characterised by simplicity and technical primitivism.