Temple Emanuel Sinai (Hebrew: עִמָנוּאֵל סִינַי, God is with us Sinai) is a medium-sized Reform (progressive) Jewish synagogue located in Worcester, Massachusetts, New England's second largest city (population 181,045). A product of the 2013 integration of Worcester's two original Reform congregations (Temple Emanuel and Temple Sinai), the synagogue traces its roots to 1921 and is affiliated with the Union for Reform Judaism (URJ), a network of over 900 progressive congregations representing the largest denomination (38%) of affiliated American Jews.