対馬

The kanji were transliterated into Old Chinese by Chen Shou in Wajinden(original text here):

始度一海，千餘里至對馬國。 [Classical Chinese, trad.]

---

始度一海，千余里至对马国。 [Classical Chinese, simp.]

Shǐ dù yī hǎi, qiān yú lǐ zhì Duìmǎ guó. [Pinyin]

After crossing a sea for the first time, one arrives at Tsushima Province in more than 1,000 li.(Wiktionary translation)

• (Tokyo) つしま [tsúꜜshìmà] (Atamadaka – [1])
• IPA^(key): [t͡sɨɕima̠]

対(つし)馬(ま) • (Tsushima) 

1. Tsushima (an island of Japan)
2. a surname

• “〈対馬〉”, in 漢字ぺディア [Kanjipedia]‎^[1] (in Japanese), The Japan Kanji Aptitude Testing Foundation, 2015–2025