Böllen () is a Municipalities of Germany, municipality in the southwestern Germany, German Federal State of Baden-Württemberg, part of the Lörrach (district), Lörrach district. The coat of arms of Böllen were granted in 1902. The blazon is ''Azure issuant from a Base Vert a Mountain Or'', reflecting the town's proximity to Mount Belchen, the second highest mountain in the Black Forest.

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Lörrach (district) Baden {{Lörrach-geo-stub