U+03AA GREEK CAPITAL LETTER IOTA WITH DIALYTIKA

The Unicode character U+03AA, officially named GREEK CAPITAL LETTER IOTA WITH DIALYTIKA, was introduced in Unicode version 1.1. It is part of the Greek block, which belongs to the Basic Multilingual plane. Previously, it was also referred to as GREEK CAPITAL LETTER IOTA DIAERESIS.

Categorized technically as a Uppercase Letter, this character typically falls under the Greek script. In terms of text layout and rendering, the glyph is a canonical composition and has no designated width in East Asian typography. When placed in bidirectional text, it behaves as an Left-To-Right character. Its visual representation remains not mirrored regardless of the reading direction.