Because of the constraints of this chat interface, and limitations on automated browsing, I'm not able to provide real-time URL generation or check the most current opening hours and availability of each attraction. However, I can certainly draft a sample itinerary based on a mid-price budget that includes a mix of cultural experiences, family activities, and hidden gems within an area the size of Hokkaido. Please note that for actual travel planning, you would need to verify each attraction's current status and opening hours, as well as generate the Google Maps links yourself using the addresses provided.

Day 1: Arrival and Introduction to Seoul - 10:00 AM: Arrival at Incheon International Airport, move to hotel in Seoul - 1:00 PM: Lunch at Gwangjang Market (광장시장) Type: Market Description: Dive into Korean street food and culture at one of Seoul's oldest and largest markets. Duration: 2 hours Address: 88 Changgyeonggung-ro, Jongno-gu, Seoul - 3:00 PM: Visit Bukchon Hanok Village (북촌한옥마을) Type: Historic Site Description: Explore traditional Korean houses (hanok) and get a glimpse of the historical side of Seoul. Duration: 2 hours Address: Gahoe-dong, Jongno-gu, Seoul - 5:30 PM: Explore Insadong (인사동) Type: Cultural District Description: Shop for souvenirs such as traditional crafts, arts, and teas in this cultural district. Duration: 1.5 hours Address: Insadong, Jongno-gu, Seoul

Day 2: Palaces and Museums - 9:00 AM: Morning tour of Gyeongbokgung Palace (경복궁) Type: Palace Description: The largest of the Five Grand Palaces built during the Joseon Dynasty. Duration: 2 hours Address: 161 Sajik-ro, Jongno-gu, Seoul - 12:00 PM: Lunch in Samcheong-dong (삼청동) Type: Neighborhood Description: Area known for its unique cafes, restaurants and proximity to cultural sites. Duration: 1 hour - 2:00 PM: National Museum of Korea (국립중앙박물관) Type: Museum Description: Explore Korea’s history through art, archaeology and more. Duration: 2 hours Address: 137 Seobinggo-ro, Yongsan-gu, Seoul

Day 3: Modern Seoul - 10:00 AM: Visit to Dongdaemun Design Plaza (DDP) (동대문디자인프라자) Type: Design Center Description: A major urban development landmark designed by Zaha Hadid. Duration: 1.5 hours Address: 281 Eulji-ro, Jung-gu, Seoul - 12:30 PM: Shopping and lunch at Myeongdong (명동) Type: Shopping District Description: Bustling area filled with shops, eateries, and street food vendors. Duration: 2 hours - 3:00 PM: N Seoul Tower (N서울타워) and Namsan Park Type: Observatory/ Park Description: Get panoramic views of Seoul from the tower and enjoy nature in the surrounding park. Duration: 2.5 hours Address: 105 Namsangongwon-gil, Yongsan-gu, Seoul

Day 4: Korean Demilitarized Zone (DMZ) Tour - 8:00 AM: Join a half-day DMZ tour Type: Historical Tour Description: A guided tour exploring the history and tensions between North and South Korea. Duration: 6 hours Note: Travelers will need to arrange this tour in advance with a DMZ tour company.

Day 5: Traditional and Modern Contrast - 10:00 AM: Visit Changdeokgung Palace and Huwon (창덕궁과 후원) Type: Palace and Secret Garden Description: Another one of the Five Grand Palaces with a beautiful secret garden. Duration: 2 hours Address: 99 Yulgok-ro, Jongno-gu, Seoul - 1:00 PM: Have Lunch in Hongdae (홍대) Type: Neighborhood Description: A vibrant neighborhood, famous among youth, and home to indie music, street art, clubs, eateries, and fashion shops. Duration: 1 hour - 3:00 PM: Trickeye Museum (트릭아이미술관) Type: Art Museum Description: An art museum filled with optical illusions and interactive art pieces. Duration: 1.5 hours Address: 20 Hongik-ro 3-gil, Mapo-gu, Seoul - 5:00 PM: Explore Hongdae Street Art and Busking Scene Type: Cultural Experience Description: Wander the streets to see lively street performances and urban art. Duration: 2 hours

Day 6: Nature and Relaxation - 10:00 AM: Hike at Bukhansan National Park (북한산국립공원) Type: National Park Description: Enjoy hiking trails with impressive views of the city and nature. Duration: 4 hours Address: Bukhansan National Park, Seoul - 3:00 PM: Relax at Dragon Hill Spa (드래곤힐스파) Type: Korean spa (Jjimjilbang) Description: Experience authentic Korean wellness culture in an elaborate jjimjilbang. Duration: 2 hours Address: 40-712 Hangangno 3(sam)-ga, Yongsan-gu, Seoul

Day 7: Gangnam District - 10:00 AM: Visit COEX Mall and Aquarium (코엑스몰과 아쿠아리움) Type: Shopping Mall and Aquarium Description: Asia’s largest underground shopping mall featuring an aquarium. Duration: 3 hours Address: 513 Yeongdong-daero, Gangnam-gu, Seoul - 2:00 PM: Bongeunsa Temple (봉은사) Type: Temple Description: A Buddhist temple offering a peaceful retreat in the midst of the bustling city. Duration: 1 hour Address: 531 Bongeunsa-ro, Gangnam-gu, Seoul - 4:00 PM: Walk around Garosugil (가로수길) Type: Trendy street Description: Famous for its ginkgo tree-lined streets, boutique shops, and cafes. Duration: 1.5 hours

Day 8: Suwon Day Trip - 9:00 AM: Visit to Hwaseong Fortress (화성) Type: UNESCO World Heritage Site Description: A well-preserved 18th-century fortress in the heart of Suwon. Duration: 3 hours Address: 910 Jeongjo-ro, Paldal-gu, Suwon, Gyeonggi-do - 1:00 PM: Korean Folk Village (한국민속촌) Type: Open-Air Museum Description: A living museum replicating traditional Korean life. Duration: 3 hours Address: 90 Minsokchon-ro, Giheung-gu, Yongin, Gyeonggi-do

Day 9: Art and History - 10:00 AM: Visit National Museum of Modern and Contemporary Art (국립현대미술관) Type: Art Museum Description: Explore contemporary pieces from Korea and all over the world. Duration: 2 hours Address: 30 Samcheong-ro, Sogyeok-dong, Jongno-gu, Seoul - 1:00 PM: Lunch in Itaewon (이태원) Type: Neighborhood Description: A multicultural district with diverse food options and international vibes. Duration: 1 hour - 3:00 PM: Explore the War Memorial of Korea (전쟁기념관) Type: Museum Description: A museum dedicated to Korea's military history including the Korean War. Duration: 2 hours Address: 29 Itaewon-ro, Yongsan-gu, Seoul

Day 10: Yeouido and Hangang River - 10:00 AM: Visit Yeouido Park (여의도공원) Type: Park Description: A large recreational area located on Yeouido island, known for its seasonal flower festivals. Duration: 1.5 hours Address: 120 Yeouigongwon-ro, Yeongdeungpo-gu, Seoul - 12:30 PM: Lunch and explore IFC Mall (IFC몰) Type: Shopping Mall Description: A premium shopping mall with international and Korean brands. Duration: 1.5 hours Address: 10 Gukjegeumyung-ro, Yeongdeungpo-gu, Seoul - 3:00 PM: Take a Hangang River Cruise Type: River Cruise Description: Enjoy the scenic view of Seoul as you cruise along the Hangang River. Duration: 1 hour

Day 11: Departure - Spend your last hours in Seoul at leisure until it's time to depart for Incheon International Airport. For Google Map navigation, you would need to input the addresses of the attractions in the order of visitation to create custom routes for each day. Since the itinerary is hypothetical, all durations are estimated, and addresses and attractions should be verified for accuracy prior to any actual travel arrangements.