kæsˈɑːɡi wʌz dɪzˈaɪnd ænd bˈɪlt ɪn fɪlɐdˈɛlfiə, ɪnðə juːnˈaɪɾᵻd stˈeɪts baɪ wˈɪljəm kɹˈæmp ænd sˈʌnz hˌuː hæd ˈɔːlsoʊ bˈɪlt ðə kɹˈuːzɚ fɚðɪ ɪmpˈɪɹiəl ɹˈʌʃən nˈeɪvi.
Kasagi was designed and built in Philadelphia, in the United States by William Cramp & Sons (who had also built the cruiser  for the Imperial Russian Navy).