This is the 6217th most frequent Swedish word.
kungliga
"Kungliga" means "royal" in English.
Here, 'kungliga' is used as an adjective to describe 'familjen', specifying that it is the royal family.
Den kungliga familjen besöker staden idag.
The royal family is visiting the town today.
In this sentence, 'kunglig' is used metaphorically as an adjective to describe the concert, suggesting its grandeur or excellence.
Hon sjöng så vackert att det kändes som en kunglig konsert.
She sang so beautifully that it felt like a royal concert.
Here, 'kunglig' is an adjective modifying 'arkitektur', indicating that the architecture is characteristic of royalty or regal in nature.