1. Short title This Act may be cited as the Chesapeake National Recreation Area Act . 2. Definitions In this Act: (1) Advisory Commission The term Advisory Commission means the Chesapeake National Recreation Area Advisory Commission established under section 11(a). (2) Bay The term Bay means— (A) the Chesapeake Bay watershed; and (B) any tidal segment of a tributary of the Chesapeake Bay in any State. (3) Bay Program The term Bay Program means the Chesapeake Bay Program authorized under section 117 of the Federal Water Pollution Control Act ( 33 U.S.C. 1267 ). (4) Chesapeake Gateways The term Chesapeake Gateways means the Chesapeake Bay Gateways and Watertrails Network authorized under section 502 of the Chesapeake Bay Initiative Act of 1998 ( 54 U.S.C. 320101 note; Public Law 105–312 ). (5) Map The term Map means the map entitled Chesapeake National Recreation Area Proposed Boundary , numbered P99/189631, and dated June 2023. (6) National Park Service Site The term National Park Service site means a unit of the National Park System that is— (A) directly associated with the Bay; and (B) located in 1 or more of the States in the Bay watershed. (7) Partner site The term partner site means land that is subject to a partner site agreement under section 8(b). (8) Recreation area The term Recreation Area means the Chesapeake National Recreation Area established by section 4(a). (9) Secretary The term Secretary means the Secretary of the Interior. (10) Youth representative The term youth representative means a member of the Advisory Commission who— (A) has not attained the age of 22 as of the date on which the member is appointed or reappointed; and (B) is tasked with representing the interests of children and young adults in the State from which the member is appointed. 3. Purposes The purposes of this Act are— (1) to recognize the ecological, cultural, and historic diversity of the region in which the Bay is located by promoting the national significance of the Bay and surrounding areas