These are areas where, if you know you're within one, you're in violation of 2923.122(c) above:

(B) A valid license issued under section 2923.125 or 2923.1213 of the Revised Code does not authorize the licensee to carry a concealed handgun in any manner prohibited under division (B) of section 2923.12 of the Revised Code or in any manner prohibited under section 2923.16 of the Revised Code. A valid license does not authorize the licensee to carry a concealed handgun into any of the following places:

(1) A police station, sheriff's office, or state highway patrol station, premises controlled by the bureau of criminal identification and investigation, a state correctional institution, jail, workhouse, or other detention facility, an airport passenger terminal, or an institution that is maintained, operated, managed, and governed pursuant to division (A) of section 5119.02 of the Revised Code or division (A)(1) of section 5123.03 of the Revised Code;

(2 is excluded here since its duplication) (2) A school safety zone, in violation of section 2923.122 of the Revised Code;

(3) A courthouse or another building or structure in which a courtroom is located, in violation of section 2923.123 of the Revised Code;

(4) Any room or open air arena in which liquor is being dispensed in premises for which a D permit has been issued under Chapter 4303. of the Revised Code, in violation of section 2923.121 of the Revised Code;

(5) Any premises owned or leased by any public or private college, university, or other institution of higher education, unless the handgun is in a locked motor vehicle or the licensee is in the immediate process of placing the handgun in a locked motor vehicle;

(6) Any church, synagogue, mosque, or other place of worship, unless the church, synagogue, mosque, or other place of worship posts or permits otherwise;

(7) A child day-care center, a type A family day-care home, a type B family day-care home, or a type C family day-care home, except that this division does not prohibit a licensee who resides in a type A family day-care home, a type B family day-care home, or a type C family day-care home from carrying a concealed handgun at any time in any part of the home that is not dedicated or used for day-care purposes, or from carrying a concealed handgun in a part of the home that is dedicated or used for day-care purposes at any time during which no children, other than children of that licensee, are in the home;

(8) An aircraft that is in, or intended for operation in, foreign air transportation, interstate air transportation, intrastate air transportation, or the transportation of mail by aircraft;

(9) Any building that is owned by this state or any political subdivision of this state, and all portions of any building that is not owned by any governmental entity listed in this division but that is leased by such a governmental entity listed in this division;

(10) A place in which federal law prohibits the carrying of handguns.