Merzalben is a municipality in Südwestpfalz district, in Rhineland-Palatinate, western Germany.It is a tourist resort recognised by the state.Merzalben's earliest known records date to 1237.ReligionIn 2007 66.3% of the inhabitants were Roman Catholic and 19.3% were Protestant. The rest either belonged to another religion or none.PoliticsThe local council in Merzalben consists of 16 councillors, who were elected in the local election on 7 June 2009, and whose honorary local mayor is the chairman.CultureThe 28-metre-high Luitpold Tower (Luitpoldturm) was established 1909 on the summit of the 610-metre-high Weißenberg hill as observation tower. Gräfenstein Castle is a castle ruin of about two kilometres east of Merzalben. It gave its name to the region.