Katwijk is a locality located 38.71 km east-northeast from Amsterdam in South Holland, Netherlands. The population of Katwijk is 65,753 people. Alphen aan den Rijn, Leiden, Leidschendam-Voorburg are located close to Katwijk. You can find Katwijk on any map using the following decimal coordinates: 52.2008 (latitude), 4.4153 (longitude).