Miss. Code § 11-27-3
A special court of eminent domain is hereby created, to consist of a judge, jury, and such other officers and personnel as hereinafter set out, and it shall have and exercise the jurisdiction and powers hereinafter enumerated. The original powers and jurisdiction shall be and is hereby fixed in the county court in each county that has elected to come under the provisions of Section 9-9-1 Mississippi Code of 1972, or that may hereafter come under the provisions of said Section 9-9-1, and in every other county of this state, the original powers and jurisdiction shall be and is hereby fixed in the circuit court of such county, which said powers and jurisdiction may be exercised in full either in termtime or vacation, or both.
Miss. Code § 11-27-3