enclave

/หˆษ’ฬƒkleษชv/
noun
  1. 1

    A political, cultural or social entity or part thereof that is completely surrounded by another.

    โ€œThe republic of San Marino is an enclave of Italy.โ€

  2. 2

    A group that is set off from a larger population by its characteristic or behavior.

    โ€œ...it tends to make marriage itself a lifestyle enclave.โ€

  3. 3

    An isolated portion of an application's address space, such that data in an enclave can only be accessed by code in the same enclave.

verb
  1. 1

    To enclose within a foreign territory.

Source: https://en.wiktionary.org/wiki/enclave