The Beit El Synagogue ("House of God" synagogue), (also known as Midrash Hasidim and Yeshivat haMekubalim ) has been (and remains to this day) the center of kabbalistic study in Jerusalem for over 250 years.
Read more about Beit El Synagogue: History of The Yeshivat HaMekubalim, Dispute Over The Reconstitution in The Old City, Rashei Yeshivot