Hadith #2486 (Sunan Abi Dawud)
Book: Jihad (Kitab Al-Jihad)
Narrator(s): Abdullah bin 'Amr bin al-'Aas, al-Laith bin Sa'd الليث بن سعد, Ali bin 'Ayyash علي بن عياش, Haywat bin Sharih bin Safwan حيوة بن شريح بن صفوان التجيبي
Grade: Hasan

A man said: Messenger of Allah, allow tourism for me. The Prophet (ﷺ) said: The tourism of my people is striving in the path of Allah, the Exalted.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-2486/