This is the 19th most frequent Latvian word.
latvijā
"In Latvia."
Here, 'latvijā' denotes the specific geographic location where the subject resides.
Es dzīvoju Latvijā.
I live in Latvia.
In this sentence, 'Latvijā' emphasizes the geographic area being described for its natural beauty.
Latvijā ir skaista daba.
Latvia has beautiful nature.
'Latvijā' specifies where the events mentioned, the festivals, occur.