Aviaja is from the Greenlandic Kalaallisut Aviaja — sister, dear friend, kinswoman. Aviaja is one of the Greenlandic feminine names — central to traditional Kalaallit Inuit Indigenous heritage.
Aviaja does not currently appear in the US Social Security Administration's top 1,000 girls' names, so we don't publish a US rank or birth count for it. That says nothing about the name's standing elsewhere in the world — only that it sits outside the ranked US data we rely on.
In Pythagorean numerology the letters of Aviaja reduce to 8, The Visionary. This is a traditional interpretive system, not a factual claim about the name.