Eichholz

Hallwyl Castle (German: Schloss Hallwyl; IPA: [halˈviːl]) is one of the most important moated castles in Switzerland. It is located on two islands in the River Aabach, just north of the northern end of Lake Hallwil in the municipality of Seengen in the canton of Aargau. Since 1925, it has been open to the public, and since 1994 it has been owned by the canton of Aargau and is part of the museum of Aargau.

Egliswil is a municipality and village in the district of Lenzburg in the canton of Aargau in Switzerland.

Hallwil is a municipality in the district of Lenzburg in the canton of Aargau in Switzerland.The Castle of Hallwyl is located in the neighboring municipality Seengen.