Lopen kirkonkylä is the administrative center of the Loppi municipality in Kanta-Häme, Finland, and also its largest urban area with a population of more than 2,000. It is located on the northern shore of Loppijärvi, along the main road 54 between Forssa and Riihimäki. The distance to Riihimäki is 19 kilometres (12 mi). To the east is the regional road 132, which starts from the main road and runs south in the direction of Helsinki, along which the Läyliäinen village is located about 12 kilometers from the Kirkonkylä.