Kirche Nassau, Lutheran church building in Nassau, Frauenstein, Germany

Kirche Nassau is a church building in Frauenstein built in 1526 from gray stone with a simple rectangular form. The interior is lit by small windows and houses a notable organ by Gottfried Silbermann from 1748 that features 19 registers and two manuals.

The church was built around 1526 as a plastered rubble-stone hall with a recessed, three-sided choir and buttresses. It was rebuilt between 1855 and 1858, then restored in 1974 and again from 1993. Gottfried Silbermann's organ of 1748, with 19 registers on two manuals and pedal, was hard to finance because of the Second Silesian War; it was restored in 1998.

The village and church share the name Nassau, in the Frauenstein parish of Saxony's Mittelsachsen district. Inside, two-storey galleries run around the flat-ceiled hall, and several box pews (Logen) stand in the choir. A wooden baptismal angel from 1729 hangs above the 1816 sandstone font.

The church stands in the Nassau district of Frauenstein, in the Mittelsachsen region of Saxony. A three-storey west porch with a plain round-arched portal and an outdoor staircase forms the entrance. Inside, two tiers of galleries run around the flat-ceiled nave, so the upper rows are reached by stairs.

The organ, built by Gottfried Silbermann in 1748, has 19 registers on two manuals and a pedal, and is largely preserved in its original state. The parish struggled to pay for it because of the Second Silesian War. In 1960 the wind pressure was lowered to 70 mmWS, then raised again to 76 mmWS because the wind was unsteady.