Imajinasi mengenai utopia seringkali dikaitkan dengan impian yang tidak mungkin atau sulit untuk direalisasikan. Dari persepsi tersebut, timbul ketertarikan untuk mencari tahu mengenai perealisasian sebuah utopia dan kota ideal, perihal hal tersebut mungkin dilakukan ataupun tidak. Pembahasan akan diawali dengan memperdalam beberapa konsep kota ideal yang telah dipublikasikan. Kemudian dilakukan pembahasan yang lebih mendalam mengenai salah satu contoh implementasi utopia dalam bentuk kota ideal. Berdasarkan kesimpulan, kota ideal adalah sesuatu yang mungkin untuk dilakukan namun tidak secara sempurna. Konsep kota ideal cenderung berkaitan erat dengan imajinasi bebas perancangnya. Maka dari itu, perealisasian kota ideal belum dapat dilakukan secara total dikarenakan adanya intervensi masyarakat dan perubahan gaya hidup masyarakat.

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Imagination about utopia is closely related to something which is hard or impossible to be realized. From this perspective, there is an interest to investigate the realization of utopian dreams, an ideal city and its possibilities. The investigation will start by learning the basic meanings of imagination ideals in design, utopia, an ideal city and a utopian city. Then, there will be a discussion of some sample of utopian ideas in the form of an ideal city done by some architects in the past that will lead to a case study of the city of Brasilia which an implementation of urban utopian thinking.

Based on the conclusion, an ideal city is a dream which is yet to be fulfilled. Some attempts to make it happen in the past have succeeded, but the result was not as expected by the initial concept. The concept of an ideal city is based on the planner?s freedom of imagination. Therefore, the realization of an ideal city has not been carried out perfectly because the ideal city itself was intervened by the people living in it who needed a change of lifestyle.