**Preface to "Developing "Smartness" in Emerging Environments and Applications with Focus on the Internet of Things (IoT)"**

This book is being released at a critical juncture in the history of smart cities and societies. Globally, numerous new smart districts and cities are being created, while many existing cities, such as New York, Singapore, Helsinki, and Seoul, are evolving or transforming into smart cities. Among these cities is the USD one trillion-dollar smart city NEOM, which is being created in Saudi Arabia. This Special Issue will help influence and contribute to these smart advancements in Saudi Arabia, Spain, Australia, and throughout the world.

The gues<sup>t</sup> editors thank the authors of the articles included in this book for their excellent work and the reviewers for their efforts in reviewing the articles and recommending changes that improved the articles. The gues<sup>t</sup> editors also thank the staff of the MDPI journal *Sensors* including Fancy Chai and Dr. Constanze Schelhorn for their assistance in publishing this book.

> **Rashid Mehmood, Juan M. Corchado, and Tan Yigitcanlar** *Editors*

### *Editorial* **Developing Smartness in Emerging Environments and Applications with a Focus on the Internet of Things**

**Rashid Mehmood 1,\*, Juan M. Corchado 2,3,4 and Tan Yigitcanlar 5**

