Block from U+0700 to U+074F. This block was introduced in Unicode version 3.0 (1999). It contains 77 codepoints.
The Wikipedia provides the following information on block Syriac:
Syriac is a Unicode block containing characters for all forms of the Syriac script, including the Estrangela, Serto, Eastern Syriac, and the Christian Palestinian Aramaic variants. It is used in Literary Syriac, Neo-Aramaic, and Arabic among Syriac-speaking Christians. It was used historically to write Armenian, Persian, Ottoman Turkish, and Malayalam.