The grapheme Ď (minuscule: ď) is a letter in the Czech and Slovak alphabets used to denote /ɟ/, the voiced palatal plosive. It was also used in Polabian. It is formed from Latin D with the addition of háček, minuscule (ď) has háček modified to apostrophe-like stroke instead of wedge. In the alphabet, Ď is placed right after regular D.
Ď is also used to represent uppercase ð in the Coat of Arms of Shetland; however, the typical form is Ð.
Encoding
In Unicode, the letters are encoded at U+010E Ď LATIN CAPITAL LETTER D WITH CARON (HTML Ď) and U+010F ď LATIN SMALL LETTER D WITH CARON (HTML ď).
References
Ď Wikipedia(Text) CC BY-SA