This is the 795th most frequent Icelandic word.
þekkja
"Þekkja" means "to know" (in the sense of being familiar with someone or something).
Here, 'þekkja' is used to denote personal acquaintance with someone.
Ég þekki hana mjög vel.
I know her very well.
In this sentence, 'þekkja' is employed to mean recognizing a place or situation.
Kannski þú þekkir þessa staðsetningu?
Maybe you recognize this location?
Here, 'þekkja' refers to having knowledge or awareness of something.