The Honourable Society of the Middle Temple is one of the four Inns of Court exclusively entitled to call their members to the English Bar as barristers, the others being the Inner Temple, Gray's Inn and Lincoln's Inn. It is located in the wider Temple area of London, near the Royal Courts of Justice, and within the City of London.

Comprehensive articles on the Temple can be found on wikipedia: http://en.wikipedia.org/wiki/Middle_Temple.