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- Alte Dorfkirche Catholic (Latin rite) · House of prayer
- Dietrich-Bonhoeffer-Kirche Church Today 11:00
- Evangelische Kirche Frechen Church · Hauptstraße 209 Today 10:30
- Heilig Geist Catholic (Latin rite) · Church
- St. Audomar Catholic (Latin rite) · House of prayer
- St. Maria Königin Catholic (Latin rite) · Church
- St. Mauritius Catholic (Latin rite) · House of prayer
- St. Stephanus Chapel
- St. Ulrich Catholic (Latin rite) · House of prayer
- Christuskirche Königsdorf Church · Pfeilstraße 40, 50226 Frechen
- Friedhofskapelle Chapel
- Friedhofskapelle Chapel
- Heilig Geist Catholic (Latin rite) · House of prayer
- Marienkapelle House of prayer
- Marienstatue House of prayer
- Neuapostolische Kirche Other restorationist · House of prayer · Gisbertstraße 2
- Sankt Mariä Himmelfahrt Catholic (Latin rite) · Church
- Sankt Maria Königin Catholic (Latin rite) · House of prayer
- St. Antonius von Padua Catholic (Latin rite) · Church
- St. Sebastianus Catholic (Latin rite) · House of prayer · Aachener Straße 562
- St. Severin House of prayer
- Trauerhalle House of prayer