[Arek Suroboyo adalah salah satu kelompok sosial yang berada di Blok M. Merekamendominasi wilayah-wilayah di Blok M, sejak tahun 70 an hingga sekarang.Identitas sosial Arek Suroboyo yang mereka miliki merupakan suatu hal yangsangat penting bagi mereka memenuhi kebutuhan mereka dengan caramenjalankan kegiatan-kegiatan ekonomi informal yang diantaranya, dalampenelitian ini berupa juru parkir di perparkiran Pemda DKI dan profesi preman.Selain itu identitas sosial ini diakftifkan ketika mereka harus mempertahankan diridari pihak yang mengganggu kegiatan ekonomi mereka, ataupun eksistensimereka di Blok M. Jumlah mereka berkurang pada masa sekarang karena banyakdi antara mereka yang beranjak tua, dan beberapa ada yang meninggal duniakarena sakit, tetapi hanya sedikit dari keturunan mereka di Jakarta yangmenggantikan perannya di Blok M. Penelitian ini juga menggambarkanbagaimana kehidupan sosial Arek Suroboyo di Blok M pada masa sekarang.Dalam penelitian ini saya menggunakan metode kualitatif yang didukung denganmetode wawancara mendalam dan pengamatan.;The Arek Suroboyo is a social group in Blok M. They have a history of becominga dominating social group in Blok M since the 70's. The social identity of ArekSuroboyo is really important to them to fulfill their daily needs by working on theinformal sectors such as parking lot management supervised by Pemda DKI orworking as preman. On the other hand, their social identity is also activated fordefending themselves from their rival groups, which interrupt their daily activitieson the informal sector. At presents, their numbers have been decreasing by thetime being because there has been no regeneration within their rank these recentyears. This research also describes about the social life of Arek Suroboyo in BlokM today in ethnographic writing. I applied qualitative method, namely in-depthinterview and observation method for gathering the data., The Arek Suroboyo is a social group in Blok M. They have a history of becominga dominating social group in Blok M since the 70's. The social identity of ArekSuroboyo is really important to them to fulfill their daily needs by working on theinformal sectors such as parking lot management supervised by Pemda DKI orworking as preman. On the other hand, their social identity is also activated fordefending themselves from their rival groups, which interrupt their daily activitieson the informal sector. At presents, their numbers have been decreasing by thetime being because there has been no regeneration within their rank these recentyears. This research also describes about the social life of Arek Suroboyo in BlokM today in ethnographic writing. I applied qualitative method, namely in-depthinterview and observation method for gathering the data.]