Arabia
Refers to the Arabian Peninsula or the historical/cultural region of Arabia.
The Arabian Peninsula is rich in oil.
I am studying Arabic.
アラビア refers to the Arabian Peninsula or the historical Arabia region, while アラブ refers to Arab people or culture and is often used attributively, as in アラブ首長国連邦.
Standard katakana spelling for Arabia; the word is usually written in kana.
Ateji (phonetic) kanji form; rarely used.
Search-only kanji form; not in common use.
From English 'Arabia' or Portuguese 'Arábia', ultimately from Latin 'Arabia'.