no
"Korea" is a proper noun because it refers to a specific place - a country in East Asia.
The common noun for the proper noun Kansas is state.
Switzerland is a proper noun. Proper nouns are the unique names of people, places, or things. Common nouns are the words for general things. If a common noun is part of a name, it becomes a proper noun. Pronouns always replace proper and common nouns.
The common noun: group The proper noun: Rocky Mountains (always capitalize proper nouns).
Common nouns: capital, state, Austin Proper nouns: Texas
Common noun
no
The proper noun Korea (a region, two countries) has the proper adjective Korean (adjective and demonym).
korean
Korean
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
proper
Korean
The following are restricted items that should not be imported into Korea without proper documentation
Common
common and proper
common
they dress like people in south korea